81407304

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 192

約数和(自身を含む): 259459200

約数和(自身を除く): 178051896

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 33, 36, 41, 44, 46, 66, 69, 72, 82, 88, 92, 99, 109, 123, 132, 138, 164, 184, 198, 207, 218, 246, 253, 264, 276, 327, 328, 369, 396, 414, 436, 451, 492, 506, 552, 654, 738, 759, 792, 828, 872, 902, 943, 981, 984, 1012, 1199, 1308, 1353, 1476, 1518, 1656, 1804, 1886, 1962, 2024, 2277, 2398, 2507, 2616, 2706, 2829, 2952, 3036, 3597, 3608, 3772, 3924, 4059, 4469, 4554, 4796, 5014, 5412, 5658, 6072, 7194, 7521, 7544, 7848, 8118, 8487, 8938, 9108, 9592, 10028, 10373, 10791, 10824, 11316, 13407, 14388, 15042, 16236, 16974, 17876, 18216, 20056, 20746, 21582, 22563, 22632, 26814, 27577, 28776, 30084, 31119, 32472, 33948, 35752, 40221, 41492, 43164, 45126, 49159, 53628, 55154, 60168, 62238, 67896, 80442, 82731, 82984, 86328, 90252, 93357, 98318, 102787, 107256, 110308, 124476, 147477, 160884, 165462, 180504, 186714, 196636, 205574, 220616, 248193, 248952, 294954, 308361, 321768, 330924, 373428, 393272, 411148, 442431, 496386, 589908, 616722, 661848, 746856, 822296, 884862, 925083, 992772, 1130657, 1179816, 1233444, 1769724, 1850166, 1985544, 2261314, 2466888, 3391971, 3539448, 3700332, 4522628, 6783942, 7400664, 9045256, 10175913, 13567884, 20351826, 27135768, 40703652, 81407304]

約数ペア:

[(1, 81407304), (2, 40703652), (3, 27135768), (4, 20351826), (6, 13567884), (8, 10175913), (9, 9045256), (11, 7400664), (12, 6783942), (18, 4522628), (22, 3700332), (23, 3539448), (24, 3391971), (33, 2466888), (36, 2261314), (41, 1985544), (44, 1850166), (46, 1769724), (66, 1233444), (69, 1179816), (72, 1130657), (82, 992772), (88, 925083), (92, 884862), (99, 822296), (109, 746856), (123, 661848), (132, 616722), (138, 589908), (164, 496386), (184, 442431), (198, 411148), (207, 393272), (218, 373428), (246, 330924), (253, 321768), (264, 308361), (276, 294954), (327, 248952), (328, 248193), (369, 220616), (396, 205574), (414, 196636), (436, 186714), (451, 180504), (492, 165462), (506, 160884), (552, 147477), (654, 124476), (738, 110308), (759, 107256), (792, 102787), (828, 98318), (872, 93357), (902, 90252), (943, 86328), (981, 82984), (984, 82731), (1012, 80442), (1199, 67896), (1308, 62238), (1353, 60168), (1476, 55154), (1518, 53628), (1656, 49159), (1804, 45126), (1886, 43164), (1962, 41492), (2024, 40221), (2277, 35752), (2398, 33948), (2507, 32472), (2616, 31119), (2706, 30084), (2829, 28776), (2952, 27577), (3036, 26814), (3597, 22632), (3608, 22563), (3772, 21582), (3924, 20746), (4059, 20056), (4469, 18216), (4554, 17876), (4796, 16974), (5014, 16236), (5412, 15042), (5658, 14388), (6072, 13407), (7194, 11316), (7521, 10824), (7544, 10791), (7848, 10373), (8118, 10028), (8487, 9592), (8938, 9108)]